{
  "manageEntity": {
    "action": "Repost",
    "entityId": "637574712",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1d9aaae129e6f145cd8033171fb73ec45fb4472d2bf45cf1873a0b507ed68d30",
    "signature": "0x96bb3e7ac644130650e719283300625d8ae5e05d6da4ad829a57835c585a79232fca8eeb686f93d28b67a7c833efbeede7a7bb6fc00e7d48d230e61c63bf6c011b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}